XPost: uk.comp.os.linux, alt.comp.microsoft.windows, alt.comp.os.windows-11   
   From: robin_listas@es.invalid   
      
   On 2025-10-31 13:56, Java Jive wrote:   
   > As per subject, as I now have on the same PC some OSs  -  Ubuntu24,   
   > Windows7/10  -  installed on an MBR disk and Windows 11 installed on a   
   > GPT/UEFI disk, I'd like if possible to find a way of booting any of   
   > them, and MBR/GPT USB sticks, without constantly having to change the   
   > BIOS settings on the PC.   
   >   
   > Research into whether this is possible seems to produce mixed results,   
   > mostly not, but a few suggesting it's possible, but I haven't yet found   
   > anything with clear and understandable instructions on how to achieve it.   
   >   
   > My own gut feeling is that it should be possible, but, while I have a   
   > good understanding of how a PC boots an MBR disk, I have less   
   > understanding how one boots a GPT/UEFI disk.   
   >   
   > Has anyone here been able to achieve this?  Does anyone know of good   
   > reliable sources of information about this?   
      
   I think it might work if the system is UEFI with GPT disks, if you put   
   the other system in a partition, with boot code in the start record of   
   that partition. You would then need "something" in /boot/EFI to load   
   that boot code in that partition.   
      
   --   
   Cheers, Carlos.   
   ES🇪🇸, EU🇪🇺;   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)